[rac] Download all rules for a country code in libaddressinput.

third_party/libaddressinput/chromium/cpp/src/retriever.cc

 // Copyright (C) 2013 Google Inc.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
 // You may obtain a copy of the License at
 //
 // http://www.apache.org/licenses/LICENSE-2.0
 //
 // Unless required by applicable law or agreed to in writing, software
 // distributed under the License is distributed on an "AS IS" BASIS,
@@ skipping 79 matching lines @@
     : lookup_key_util_(validation_data_url),
       downloader_(downloader.Pass()),
       storage_(storage.Pass()) {
   assert(storage_ != NULL);
   assert(downloader_ != NULL);
 }
 
 Retriever::~Retriever() {}
 
 void Retriever::Retrieve(const std::string& key,
-                         scoped_ptr<Callback> retrieved) const {
+                         scoped_ptr<Callback> retrieved) {
   new Helper(key,
              retrieved.Pass(),
              lookup_key_util_,
              *downloader_,
              storage_.get());
 }
 
 }  // namespace addressinput
 }  // namespace i18n